<?php
/**
 * CakePHP(tm) Tests <http://book.cakephp.org/view/1196/Testing>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://book.cakephp.org/view/1196/Testing CakePHP(tm) Tests
 * @package       Cake.Test.Case.Routing.Filter
 * @since         CakePHP(tm) v 2.2
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('AssetDispatcher', 'Routing/Filter');
App::uses('CakeEvent', 'Event');
App::uses('CakeResponse', 'Network');

/**
 * Class AssetDispatcherTest
 *
 * @package       Cake.Test.Case.Routing.Filter
*/
class AssetDispatcherTest extends CakeTestCase {

	/**
	 * tearDown method
	 *
	 * @return void
	 */
	public function tearDown() {
		parent::tearDown();
		Configure::write('Dispatcher.filters', array());
	}

	/**
	 * test that asset filters work for theme and plugin assets
	 *
	 * @return void
	 */
	public function testAssetFilterForThemeAndPlugins() {
		$filter = new AssetDispatcher();
		$response = $this->getMock('CakeResponse', array('_sendHeader'));
		Configure::write('Asset.filter', array(
		'js' => '',
		'css' => ''
				));
				App::build(array(
				'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
				'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
				), App::RESET);

				$request = new CakeRequest('theme/test_theme/ccss/cake.generic.css');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertSame($response, $filter->beforeDispatch($event));
				$this->assertTrue($event->isStopped());

				$request = new CakeRequest('theme/test_theme/cjs/debug_kit.js');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertSame($response, $filter->beforeDispatch($event));
				$this->assertTrue($event->isStopped());

				$request = new CakeRequest('test_plugin/ccss/cake.generic.css');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertSame($response, $filter->beforeDispatch($event));
				$this->assertTrue($event->isStopped());

				$request = new CakeRequest('test_plugin/cjs/debug_kit.js');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertSame($response, $filter->beforeDispatch($event));
				$this->assertTrue($event->isStopped());

				$request = new CakeRequest('css/ccss/debug_kit.css');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertNull($filter->beforeDispatch($event));
				$this->assertFalse($event->isStopped());

				$request = new CakeRequest('js/cjs/debug_kit.js');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertNull($filter->beforeDispatch($event));
				$this->assertFalse($event->isStopped());
	}

	/**
	 * AssetDispatcher should not 404 extensions that could be handled
	 * by Routing.
	 *
	 * @return void
	 */
	public function testNoHandleRoutedExtension() {
		$filter = new AssetDispatcher();
		$response = $this->getMock('CakeResponse', array('_sendHeader'));
		Configure::write('Asset.filter', array(
		'js' => '',
		'css' => ''
				));
				App::build(array(
				'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
				'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
				), App::RESET);
				Router::parseExtensions('json');
				Router::connect('/test_plugin/api/v1/:action', array('controller' => 'api'));
				CakePlugin::load('TestPlugin');

				$request = new CakeRequest('test_plugin/api/v1/forwarding.json');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));
				$this->assertNull($filter->beforeDispatch($event));
				$this->assertFalse($event->isStopped(), 'Events for routed extensions should not be stopped');
	}

	/**
	 * Tests that $response->checkNotModified() is called and bypasses
	 * file dispatching
	 *
	 * @return void
	 */
	public function testNotModified() {
		$filter = new AssetDispatcher();
		Configure::write('Asset.filter', array(
		'js' => '',
		'css' => ''
				));
				App::build(array(
				'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
				'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
				));
				$time = filemtime(App::themePath('TestTheme') . 'webroot' . DS . 'img' . DS . 'cake.power.gif');
				$time = new DateTime('@' . $time);

				$response = $this->getMock('CakeResponse', array('send', 'checkNotModified'));
				$request = new CakeRequest('theme/test_theme/img/cake.power.gif');

				$response->expects($this->once())->method('checkNotModified')
				->with($request)
				->will($this->returnValue(true));
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));

				ob_start();
				$this->assertSame($response, $filter->beforeDispatch($event));
				ob_end_clean();
				$this->assertEquals(200, $response->statusCode());
				$this->assertEquals($time->format('D, j M Y H:i:s') . ' GMT', $response->modified());

				$response = $this->getMock('CakeResponse', array('_sendHeader', 'checkNotModified'));
				$request = new CakeRequest('theme/test_theme/img/cake.power.gif');

				$response->expects($this->once())->method('checkNotModified')
				->with($request)
				->will($this->returnValue(true));
				$response->expects($this->never())->method('send');
				$event = new CakeEvent('DispatcherTest', $this, compact('request', 'response'));

				$this->assertSame($response, $filter->beforeDispatch($event));
				$this->assertEquals($time->format('D, j M Y H:i:s') . ' GMT', $response->modified());
	}

	/**
	 * Test that no exceptions are thrown for //index.php type URLs.
	 *
	 * @return void
	 */
	public function test404OnDoubleSlash() {
		$filter = new AssetDispatcher();

		$response = $this->getMock('CakeResponse', array('_sendHeader'));
		$request = new CakeRequest('//index.php');
		$event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

		$this->assertNull($filter->beforeDispatch($event));
		$this->assertFalse($event->isStopped());
	}

	/**
	 * Test that attempts to traverse directories are prevented.
	 *
	 * @return void
	 */
	public function test404OnDoubleDot() {
		App::build(array(
		'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
		'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
		), App::RESET);

		$response = $this->getMock('CakeResponse', array('_sendHeader'));
		$request = new CakeRequest('theme/test_theme/../../../../../../VERSION.txt');
		$event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

		$response->expects($this->never())->method('send');

		$filter = new AssetDispatcher();
		$this->assertNull($filter->beforeDispatch($event));
		$this->assertFalse($event->isStopped());
	}

	/**
	 * Test that attempts to traverse directories with urlencoded paths fail.
	 *
	 * @return void
	 */
	public function test404OnDoubleDotEncoded() {
		App::build(array(
		'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS),
		'View' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'View' . DS)
		), App::RESET);

		$response = $this->getMock('CakeResponse', array('_sendHeader', 'send'));
		$request = new CakeRequest('theme/test_theme/%2e./%2e./%2e./%2e./%2e./%2e./VERSION.txt');
		$event = new CakeEvent('Dispatcher.beforeRequest', $this, compact('request', 'response'));

		$response->expects($this->never())->method('send');

		$filter = new AssetDispatcher();
		$this->assertNull($filter->beforeDispatch($event));
		$this->assertFalse($event->isStopped());
	}

}
